Packing effect on latex film formation and dissolution: a UV-to-visible study

Onder M. Pekcan; Ertan Arda

doi:10.1117/12.390628

6 July 2000 Packing effect on latex film formation and dissolution: a UV-to-visible study

Onder M. Pekcan, Ertan Arda

Proceedings Volume 4129, Subsurface Sensing Technologies and Applications II; (2000) https://doi.org/10.1117/12.390628
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Films with various thicknesses were formed from pyrene labeled poly (methyl methacrylate) (PMMA) high T_g latex particles, sterically stabilized by poly isobutylene. Annealing of films were performed above T_g at elevated temperatures up to 270 degree(s)C for 30 min time intervals. UV- Visible technique was used for monitoring of film formation and dissolution. Absorption of chloroform molecules into the annealed latex film was followed by diffusion of PMMA chains into solvent reservoir. Diffusion coefficients of PMMA chains were measured and found to be in between 2.6 x10^{- 9} cm² s^-1 to 9.7 x 10^-13 cm² s^-1 for the latex films in various thicknesses. It was observed that thicker films dissolved much faster than the thinner films.

Citation Download Citation

Onder M. Pekcan and Ertan Arda "Packing effect on latex film formation and dissolution: a UV-to-visible study", Proc. SPIE 4129, Subsurface Sensing Technologies and Applications II, (6 July 2000); https://doi.org/10.1117/12.390628

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